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Studies on ram acrosin. Activation of proacrosin accompanying the isolation of acrosin from spermatozoa, and purification of the enzyme by affinity chromatography

, : Studies on ram acrosin. Activation of proacrosin accompanying the isolation of acrosin from spermatozoa, and purification of the enzyme by affinity chromatography. Biochemical Journal 175(1): 227-238

Two acrosin fractions were obtained, by fractionation on a Sepharose column, from a freeze-dried, partly purified ram acrosin preparation. beta -acrosin was homogeneous, quite stable at low pH and very stable when freeze-dried. Its molecular weight was about 38 000, and it contained about 6 sugar residues per molecule, but no sialic acid. psi -acrosin consisted of at least 3 unstable forms of acrosin.

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Accession: 000756429

PMID: 736895

DOI: 10.1042/bj1750227

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